This one looks entirely useless (it cannot be made secure), and the assertion that it is necessary for atomic cross-chain transfers seems unfounded and probably wrong...
Luke On Friday, April 25, 2014 6:49:37 PM Tier Nolan wrote: > As part of the atomic cross chain system, outputs need to be hash locked. > > https://github.com/TierNolan/bips/blob/bip4x/bip-0045.mediawiki > > https://bitcointalk.org/index.php?topic=193281.msg2224949#msg2224949 > > A user needs to provide x corresponding to hash(x) in order to spend an > output. > > Under the protocol, one of the participants is required to provide the > secret number in order to spend an output. Once they do that, the other > participant can use the secret number to spend an output on the other > chain. This provides a mechanism to link the 2 chains together (in > addition to lock times). Once the first output is spent, that commits the > transfer. > > This is half of the scripting operations required to implement the > protocol. > > The proposal is to make this an adder on to the other standard > transactions. It does a check that the hash matches, and then runs the > standard transaction as normal. > > Adding the prefix to a P2SH transactions wouldn't work, since the template > wouldn't match. > > A script of this form could be embedded into a P2SH output. > > I think that is ok, since embedding the "password" in the hashed script > gets all the benefits. > > If there is agreement, I can code up the reference implementation as a PR. ------------------------------------------------------------------------------ Start Your Social Network Today - Download eXo Platform Build your Enterprise Intranet with eXo Platform Software Java Based Open Source Intranet - Social, Extensible, Cloud Ready Get Started Now And Turn Your Intranet Into A Collaboration Platform http://p.sf.net/sfu/ExoPlatform _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
